Home / 54,683,567.68-81,977,079.68-20,628,828.48

Finding the Fourth Proportional to 54,683,567.68, 81,977,079.68 and 20,628,828.48

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Solution

The fourth proportional to 54,683,567.68, 81,977,079.68 and 20,628,828.48 is: 30,925,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,567.68 : 81,977,079.68 = 20,628,828.48 : x
  2. Step 2: Convert to fraction form
    54,683,567.68/81,977,079.68 = 20,628,828.48/x
  3. Step 3: Cross multiply
    54,683,567.68x = 81,977,079.68 × 20,628,828.48
  4. Step 4: Simplify right side
    54,683,567.68x = 1,691,091,116,010,013.50
  5. Step 5: Solve for x
    x = 1,691,091,116,010,013.50/54,683,567.68
  6. Step 6: Final answer
    x = 30,925,032.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.